Leonid Bershidsky: What this World Cup says about immigration

Three of the four national teams that made it to the World Cup semifinals — France, Belgium and England — are, one might think, icons of European diversity. Immigrants and sons of immigrants are overrepresented on these squads compared with the demographics of these countries as a whole. But one could also see this diversity as a sign that integration isn’t working too well in much of Europe.France’s starting lineup in Tuesday’s semifinal against Belgium contained f